Study Charts 2,000 Years of Continental Climate Changes

A chart from a new study of temperature changes over the continents through years. The colors denote the extent of warming or cooling (key at right). The bars denote periods during which the mean temperature was calculated.

This map depicts the locations of the world’s top 400 universities as ranked by the Times Higher Education. It clearly illustrate the highly uneven geography of elite education. The universities in the list don’t just command an undue amount o.